.container {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  list-style: none;
  margin: 0;
  padding: 0;
}

.thumbnail {
  display: flex;
  padding: 0.5rem;
  width: 100%;
}

@media (min-width: 640px) {
  .thumbnail {
    width: 50%;
  }
}

@media (min-width: 900px) {
  .thumbnail {
    width: 33.3333%;
  }
}
